// 
// Item.cs
//  
// Author:
//       Scott Peterson <lunchtimemama@gmail.com>
// 
// Copyright (c) 2009 Scott Peterson
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
﻿using System.Xml;

namespace Mono.Upnp.Dcp.MediaServer1.ContentDirectory1
{
	public class Item : Object
	{
        public string RefId { get; private set; }
		public bool IsReference { get { return RefId != null; } }
		
		public Item GetReferedObject ()
		{
			if (RefId == null) throw new InvalidOperationException (
				"Cannot get refered object because the item is not a reference.");
			
			return ContentDirectory.GetObject<Item> (RefId);
		}
		
		protected override void DeserializeRootElement (XmlReader reader)
		{
			if (reader == null) throw new ArgumentNullException ("reader");
			
			RefId = reader["refID"];
			
			base.DeserializeRootElement (reader);
		}
	}
}
